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   Articles with "oxygen transfer" as a keyword



Effect of High‐Speed Shaking on Oxygen Transfer in Shake Flasks

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recommendations! Published in 2025 at "Biotechnology Journal"

DOI: 10.1002/biot.70013

Abstract: Shake flasks are predominantly used in screening and the early stages of biotechnological process development. However, oxygen‐demanding processes cannot easily be performed in shake flasks, since the maximum oxygen transfer capacity is usually smaller than… read more here.

Keywords: oxygen transfer; high speed; oxygen; shake flasks ... See more keywords

Reliable oxygen transfer in MgAl2O4 spinel through the reversible formation of oxygen vacancies by Cu2+/Fe3+ anchoring

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recommendations! Published in 2018 at "Applied Energy"

DOI: 10.1016/j.apenergy.2018.03.041

Abstract: Abstract This study focused on CuxMg1-xFeyAl2-yO4 oxygen carriers for application in the chemical looping combustion of methane. CuxMg1-xFeyAl2-yO4 was fabricated by simultaneously substituting Mg2+ and Al3+ with Cu2+ and Fe3+ in the spinel structure of… read more here.

Keywords: oxygen; reversible formation; formation oxygen; oxygen transfer ... See more keywords

Oxygen transfer in pilot-scale contactors: An experimental and computational investigation into the effect of contactor design

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recommendations! Published in 2018 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2018.03.067

Abstract: Abstract Oxygen transfer is a key parameter in many industrial bioprocesses, however there are few direct comparisons between different reactor designs and their effect on the Oxygen Transfer Rate (OTR), particularly at high superficial velocities… read more here.

Keywords: oxygen transfer; design; column; bubble column ... See more keywords

Gas-liquid oxygen transfer in aerated and agitated slurry systems with high solid volume fractions

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recommendations! Published in 2018 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2018.05.193

Abstract: Abstract Oxygen transfer can be a limiting step in aerobic biodegradation processes. Therefore, this process has been widely investigated for wastewater treatment, but only few research works have been done on soil slurry systems. This… read more here.

Keywords: slurry systems; oxygen; oxygen transfer; gas liquid ... See more keywords

Application of mathematical modelling for investigating oxygen transfer energy requirement and process design of an aerobic continuous stirred tank fermenter

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recommendations! Published in 2017 at "Food and Bioproducts Processing"

DOI: 10.1016/j.fbp.2017.02.009

Abstract: Abstract Fermentation kinetic and oxygen transfer modelling coupled with energy analysis was applied to investigate how key input design variables influenced fermenter size, feed substrate requirement, wasted substrate and aeration system electrical energy requirement. The… read more here.

Keywords: energy; oxygen transfer; requirement; mathematical modelling ... See more keywords

Effect of biomass features on oxygen transfer in conventional activated sludge and membrane bioreactor systems

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recommendations! Published in 2019 at "Journal of Cleaner Production"

DOI: 10.1016/j.jclepro.2019.118071

Abstract: Abstract The aim of the present study was to compare the oxygen transfer efficiency in a conventional activated sludge and a membrane bioreactor system. The oxygen transfer was evaluated by means of the oxygen transfer… read more here.

Keywords: conventional activated; activated sludge; transfer; oxygen transfer ... See more keywords

Simulation of oxygen transfer in liquid lead under influence of nanoparticles by using lattice Boltzmann method

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recommendations! Published in 2017 at "Theoretical and Applied Mechanics Letters"

DOI: 10.1016/j.taml.2016.11.002

Abstract: Abstract Oxygen transfer presents a serious challenge in the application of liquid lead as a nuclear coolant in advanced reactors. To mitigate corrosion by liquid lead in contact with steel, carefully controlling the oxygen concentration… read more here.

Keywords: oxygen; boltzmann method; lattice boltzmann; oxygen transfer ... See more keywords

Modelling oxygen transfer using dynamic alpha factors.

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recommendations! Published in 2017 at "Water research"

DOI: 10.1016/j.watres.2017.07.032

Abstract: Due to the importance of wastewater aeration in meeting treatment requirements and due to its elevated energy intensity, it is important to describe the real nature of an aeration system to improve design and specification,… read more here.

Keywords: energy; aeration; model; oxygen transfer ... See more keywords

Thiothrix eikelboomii interferes oxygen transfer in activated sludge.

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recommendations! Published in 2019 at "Water research"

DOI: 10.1016/j.watres.2018.12.019

Abstract: This study revealed that, Thiothrix eikelboomii, a well-known filamentous bacterium that causes sludge bulking, could also interfere oxygen transfer during wastewater treatment. The volumetric oxygen transfer coefficient (KLa) in filamentous-bulking sludge (FBS) was found to… read more here.

Keywords: sludge; oxygen transfer; thiothrix eikelboomii; transfer ... See more keywords

Modeling the relationship of aeration, oxygen transfer and treatment performance in aerated horizontal flow treatment wetlands.

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recommendations! Published in 2019 at "Water research"

DOI: 10.1016/j.watres.2019.03.062

Abstract: Mechanical aeration is commonly used to improve the overall treatment efficacy of constructed wetlands. However, the quantitative relationships of air flow rate (AFR), water temperature, field oxygen transfer and treatment performance have not been analyzed… read more here.

Keywords: oxygen; treatment performance; treatment; oxygen transfer ... See more keywords

Thermochemically Stable Novel Oxygen Carriers Based on CaMn1–x–yTixFeyO3−δ for Chemical Looping

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recommendations! Published in 2024 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.4c02625

Abstract: The understanding and development of stable redox materials based on cheap and abundant elements, forming Ca–Mn–Ti–Fe–O-based perovskites, have been in focus for applications in renewable technologies such as chemical looping combustion and thermal energy storage.… read more here.

Keywords: redox; oxygen; oxygen transfer; thermochemically stable ... See more keywords